Merge "Floss: Fork Floss D-Bus Clients from autotest_lib" into main (2b256a65) · Commits · e / os / android_packages_modules_Bluetooth

floss/pandora/floss/init.py

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floss/pandora/floss/adapter_client.py

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floss/pandora/floss/advertising_client.py

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floss/pandora/floss/floss_enums.py

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		# Copyright 2023 Google LLC
		#
		# Licensed under the Apache License, Version 2.0 (the "License");
		# you may not use this file except in compliance with the License.
		# You may obtain a copy of the License at
		#
		# https://www.apache.org/licenses/LICENSE-2.0
		#
		# Unless required by applicable law or agreed to in writing, software
		# distributed under the License is distributed on an "AS IS" BASIS,
		# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		# See the License for the specific language governing permissions and
		# limitations under the License.
		"""Class to hold the Floss enums."""

		import enum


		class BtTransport(enum.IntEnum):
		"""Bluetooth transport type."""
		AUTO = 0
		BR_EDR = 1
		LE = 2


		class GattWriteRequestStatus(enum.IntEnum):
		"""Gatt write request status."""
		SUCCESS = 0
		FAIL = 1
		BUSY = 2


		class GattWriteType(enum.IntEnum):
		"""GATT write type."""
		INVALID = 0
		WRITE_NO_RSP = 1
		WRITE = 2
		WRITE_PREPARE = 3


		class LePhy(enum.IntEnum):
		"""Bluetooth LE physical type."""
		INVALID = 0
		PHY1M = 1
		PHY2M = 2
		PHY_CODED = 3


		class GattStatus(enum.IntEnum):
		"""Bluetooth GATT return status."""
		SUCCESS = 0x00
		INVALID_HANDLE = 0x01
		READ_NOT_PERMIT = 0x02
		WRITE_NOT_PERMIT = 0x03
		INVALID_PDU = 0x04
		INSUF_AUTHENTICATION = 0x05
		REQ_NOT_SUPPORTED = 0x06
		INVALID_OFFSET = 0x07
		INSUF_AUTHORIZATION = 0x08
		PREPARE_Q_FULL = 0x09
		NOT_FOUND = 0x0A
		NOT_LONG = 0x0B
		INSUF_KEY_SIZE = 0x0C
		INVALID_ATTRLEN = 0x0D
		ERR_UNLIKELY = 0x0E
		INSUF_ENCRYPTION = 0x0F
		UNSUPPORT_GRP_TYPE = 0x10
		INSUF_RESOURCE = 0x11
		DATABASE_OUT_OF_SYNC = 0x12
		VALUE_NOT_ALLOWED = 0x13
		ILLEGAL_PARAMETER = 0x87
		TOO_SHORT = 0x7F
		NO_RESOURCES = 0x80
		INTERNAL_ERROR = 0x81
		WRONG_STATE = 0x82
		DB_FULL = 0x83
		BUSY = 0x84
		ERROR = 0x85
		CMD_STARTED = 0x86
		PENDING = 0x88
		AUTH_FAIL = 0x89
		MORE = 0x8A
		INVALID_CFG = 0x8B
		SERVICE_STARTED = 0x8C
		ENCRYPTED_NO_MITM = 0x8D
		NOT_ENCRYPTED = 0x8E
		CONGESTED = 0x8F
		DUP_REG = 0x90
		ALREADY_OPEN = 0x91
		CANCEL = 0x92


		class BtStatus(enum.IntEnum):
		"""Bluetooth return status."""
		SUCCESS = 0
		FAIL = 1
		NOT_READY = 2
		NO_MEMORY = 3
		BUSY = 4
		DONE = 5
		UNSUPPORTED = 6
		INVALID_PARAM = 7
		UNHANDLED = 8
		AUTH_FAILURE = 9
		REMOTE_DEVICE_DOWN = 10
		AUTH_REJECTED = 11
		JNI_ENVIRONMENT_ERROR = 12
		JNI_THREAD_ATTACH_ERROR = 13
		WAKE_LOCK_ERROR = 14


		class SocketType(enum.IntEnum):
		"""Socket types."""
		GT_SOCK_ANY = 0
		GT_SOCK_STREAM = 1
		GT_SOCK_DGRAM = 2
		GT_SOCK_RAW = 3
		GT_SOCK_RDM = 4
		GT_SOCK_SEQPACKET = 5
		GT_SOCK_DCCP = 6
		GT_SOCK_PACKET = 10


		class SuspendMode(enum.IntEnum):
		"""Bluetooth suspend mode."""
		NORMAL = 0
		SUSPENDING = 1
		SUSPENDED = 2
		RESUMING = 3


		class ScanType(enum.IntEnum):
		"""Bluetooth scan type."""
		ACTIVE = 0
		PASSIVE = 1


		class BondState(enum.IntEnum):
		"""Bluetooth bonding state."""
		NOT_BONDED = 0
		BONDING = 1
		BONDED = 2


		class Transport(enum.IntEnum):
		"""Bluetooth transport type."""
		AUTO = 0
		BREDR = 1
		LE = 2


		class SspVariant(enum.IntEnum):
		"""Bluetooth SSP variant type."""
		PASSKEY_CONFIRMATION = 0
		PASSKEY_ENTRY = 1
		CONSENT = 2
		PASSKEY_NOTIFICATION = 3
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floss/pandora/floss/manager_client.py

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		# Copyright 2023 Google LLC
		#
		# Licensed under the Apache License, Version 2.0 (the "License");
		# you may not use this file except in compliance with the License.
		# You may obtain a copy of the License at
		#
		# https://www.apache.org/licenses/LICENSE-2.0
		#
		# Unless required by applicable law or agreed to in writing, software
		# distributed under the License is distributed on an "AS IS" BASIS,
		# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		# See the License for the specific language governing permissions and
		# limitations under the License.
		"""Client class to access the Floss manager interface."""

		from floss.pandora.floss import observer_base
		from floss.pandora.floss import utils


		class ManagerCallbacks:
		"""Callbacks for the Manager Interface.

		Implement this to observe these callbacks when exporting callbacks via
		register_callback.
		"""

		def on_hci_device_changed(self, hci, present):
		"""Hci device presence is updated.

		Args:
		hci: Hci interface number.
		present: Whether this hci interface is appearing or disappearing.
		"""
		pass

		def on_hci_enabled_changed(self, hci, enabled):
		"""Hci device is being enabled or disabled.

		Args:
		hci: Hci interface number.
		enabled: Whether this hci interface is being enabled or disabled.
		"""
		pass


		class FlossManagerClient(ManagerCallbacks):
		"""Handles method calls to and callbacks from the Manager interface."""

		MGR_SERVICE = 'org.chromium.bluetooth.Manager'
		MGR_INTERFACE = 'org.chromium.bluetooth.Manager'
		MGR_OBJECT = '/org/chromium/bluetooth/Manager'

		# Exported callback interface and objects
		CB_EXPORTED_INTF = 'org.chromium.bluetooth.ManagerCallback'
		CB_EXPORTED_OBJ_NAME = 'test_manager_client'

		class AdaptersNotParseable(Exception):
		"""An entry in the result of GetAvailableAdapters was not parseable."""
		pass

		class ExportedManagerCallbacks(observer_base.ObserverBase):
		"""
		<node>
		<interface name="org.chromium.bluetooth.ManagerCallback">
		<method name="OnHciDeviceChanged">
		<arg type="i" name="hci" direction="in" />
		<arg type="b" name="present" direction="in" />
		</method>
		<method name="OnHciEnabledChanged">
		<arg type="i" name="hci" direction="in" />
		<arg type="b" name="enabled" direction="in" />
		</method>
		</interface>
		</node>
		"""

		def __init__(self):
		"""Construct exported callbacks object."""
		observer_base.ObserverBase.__init__(self)

		def OnHciDeviceChanged(self, hci, present):
		"""Handle device presence callbacks."""
		for observer in self.observers.values():
		observer.on_hci_device_changed(hci, present)

		def OnHciEnabledChanged(self, hci, enabled):
		"""Handle device enabled callbacks."""
		for observer in self.observers.values():
		observer.on_hci_enabled_changed(hci, enabled)

		def __init__(self, bus):
		"""Construct the client.

		Args:
		bus: DBus bus over which we'll establish connections.
		"""
		self.bus = bus

		# We don't register callbacks by default. The client owner must call
		# register_callbacks to do so.
		self.callbacks = None

		# Initialize hci devices and their power states
		self.adapters = {}

		def __del__(self):
		"""Destructor."""
		del self.callbacks

		@utils.glib_call(False)
		def has_proxy(self):
		"""Checks whether manager proxy can be acquired."""
		return bool(self.proxy())

		def proxy(self):
		"""Gets proxy object to manager interface for method calls."""
		return self.bus.get(self.MGR_SERVICE, self.MGR_OBJECT)[self.MGR_INTERFACE]

		@utils.glib_call(False)
		def register_callbacks(self):
		"""Registers manager callbacks for this client if one doesn't already exist."""
		# Callbacks already registered
		if self.callbacks:
		return True

		# Create and publish callbacks
		self.callbacks = self.ExportedManagerCallbacks()
		self.callbacks.add_observer('manager_client', self)
		objpath = utils.generate_dbus_cb_objpath(self.CB_EXPORTED_OBJ_NAME)
		self.bus.register_object(objpath, self.callbacks, None)

		# Register published callbacks with manager daemon
		self.proxy().RegisterCallback(objpath)

		return True

		@utils.glib_callback()
		def on_hci_device_changed(self, hci, present):
		"""Handle device presence change."""
		if present:
		self.adapters[hci] = self.adapters.get(hci, False)
		elif hci in self.adapters:
		del self.adapters[hci]

		@utils.glib_callback()
		def on_hci_enabled_changed(self, hci, enabled):
		"""Handle device enabled change."""
		self.adapters[hci] = enabled

		def get_default_adapter(self):
		"""Get the default adapter in use by the manager."""
		# TODO(abps): The default adapter is hci0 until we support multiple
		# adapters.
		return 0

		def has_default_adapter(self):
		"""Checks whether the default adapter exists on this system."""
		return self.get_default_adapter() in self.adapters

		@utils.glib_call()
		def start(self, hci):
		"""Start a specific adapter."""
		self.proxy().Start(hci)

		@utils.glib_call()
		def stop(self, hci):
		"""Stop a specific adapter."""
		self.proxy().Stop(hci)

		@utils.glib_call(False)
		def get_adapter_enabled(self, hci):
		"""Checks whether a specific adapter is enabled (i.e. started)."""
		return bool(self.proxy().GetAdapterEnabled(hci))

		@utils.glib_call(False)
		def get_floss_enabled(self):
		"""Gets whether Floss is enabled."""
		return bool(self.proxy().GetFlossEnabled())

		@utils.glib_call()
		def set_floss_enabled(self, enabled):
		self.proxy().SetFlossEnabled(enabled)

		@utils.glib_call([])
		def get_available_adapters(self):
		"""Gets a list of currently available adapters and if they are enabled."""
		all_adapters = []
		dbus_result = self.proxy().GetAvailableAdapters()

		for d in dbus_result:
		if 'hci_interface' in d and 'enabled' in d:
		all_adapters.append((int(d['hci_interface']), bool(d['enabled'])))
		else:
		raise FlossManagerClient.AdaptersNotParseable(f'Could not parse: {d}')

		# This function call overwrites any existing cached values of
		# self.adapters that we may have gotten from observers.
		self.adapters = {}
		for (hci, enabled) in all_adapters:
		self.adapters[hci] = enabled

		return all_adapters